I'm having problems getting the wheel bearing/hub assembly off of my 98 Chrysler Sebring. It's being held on by three "Star bolts" and we can't fit a socket in to losen them. I need to know what size the star socket would be and if there is such a thing as a "star wrench" Also I need the torque for when we put the new one on.
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The bearing & hub is a whole assembly for this model, start by removing the brake calipers, the removing the rotors" a couple taps with the hammer should loosen it" , after removing the rotors the hub & bearing assembly is held on by 4 #17 bolts, after you get the hud and bearing assembly off you will need a tool called a bearing split plate ,to split the hub and bearing off each other. Now you should have the new bearing assembly ,inner wheel seal, and hub set together" this is when you need a press". Press the hub onto the new bearing assembly.And thats it! Its ready to go back on the way you took it off.
Place parking brake lever in -full released- position.
Raise and support vehicle.
Remove plug in parking brake shoe support to access adjuster star-wheel.
Through the access hole, rotate the adjuster star wheel in the following direction to expand the shoes outward against the drum:
Left brake - Rotate star-wheel toward rear of vehicle.
Right brake - Rotate star-wheel toward front of vehicle.
Using an appropriate tool, turn adjuster star wheel until wheel will not rotate (dead lock).
Back off adjuster six detents (teeth).
Rotate wheel, checking for light drag. If drag is too heavy, continue to back off adjuster one detent at a time until light drag is present. Do not back off star-wheel more than 17 detents from wheel lock.
Install access plug.
Adjust opposite wheel parking brake shoes using same method.
Apply and release parking brake lever once to ensure proper operation of parking brakes.
Removal & Installation
The following procedure may be used to remove shoes on either side of the vehicle.
Lock out automatic adjuster in parking brake lever.
Raise and support vehicle.
Access and remove rear hub and bearing.
Remove parking brake cable bolt at knuckle.
Completely back off parking brake shoe adjustment.
Remove parking brake shoe adjuster spring.
Remove shoe adjuster.
Remove upper brake shoe hold-down clip and pin.
Remove lower brake shoe hold-down clip and pin.
Remove upper and lower shoes with return spring from shoe actuator.
Remove return spring from shoes.
Fig. View of the actuator (1), support (2), adjuster spring (3), return spring (4), caliper adapter (5), shoes (6), hold-down clips and pins (7) and adjuster (8)
Install return spring between upper and lower shoes.
Before installing shoes on actuator, make sure actuator hooked to rear cable is positioned with word -UP- facing outward.
Install upper and lower shoes with return spring on shoe actuator located on parking brake cable.
Install lower brake shoe hold-down pin through rear of support and lower shoe, then install hold-down clip.
Install upper brake shoe hold-down pin through rear of support and upper shoe, then install hold-down clip.
Install shoe adjuster. Place end of adjuster with star wheel upward.
Install parking brake shoe adjuster spring.
Install bolt securing parking brake cable to knuckle and tighten bolt to 21 ft. lbs. (28 Nm).
Using Brake Shoe Gauge, Special Tool C-3919, or equivalent, measure inside diameter of parking brake drum portion of rotor.
Place Gauge over parking brake shoes at widest point.
Using adjuster star wheel, adjust parking brake shoes until linings on both park brake shoes just touch jaws on gauge. This will give a good preliminary adjustment of parking brake shoes, before a final adjustment is made at end of this procedure.
Install hub and bearing with wheel speed sensor as well as all components necessary to access it.
Unlock automatic adjuster in parking brake lever.
Perform final adjustment of parking brake shoes
This vehicle is equipped with permanently sealed rear wheel bearings. There is no periodic lubrication or maintenance recommended for these units.
Removal & Installation
Raise and support vehicle.
Remove wheel mounting nuts, then tire and wheel assembly.
If equipped with AWD:
Remove cotter pin, nut lock and spring washer from half shaft.
While a helper applies brakes to keep hub from turning, remove hub nut and washer.
Remove brake caliper and rotor from hub and bearing assembly.
Fig. Hub assembly
Disconnect vehicle wiring harness connector at wheel speed sensor connector.
Unclip wheel speed sensor connector from spare tire mounting support.
Disconnect two sensor cable routing clips on rear suspension crossmember.
Disconnect two sensor cable routing clips along toe link.
Disconnect sensor cable from bracket on brake support.
Completely loosen, but do not remove four bolts fastening hub and bearing in place. Once loosened from threads in hub and bearing, push bolts up against rear of hub and bearing to keep brake support plate in place when hub and bearing is removed.
Fig. Rear hub and bearing mounting bolts
Pull hub and bearing off knuckle and half shaft (if equipped with AWD), then thread wheel speed sensor cable through hole in brake support plate as it is removed with hub and bearing.
Position hub and bearing bolts though rear of knuckle and parking brake support just enough to hold support in place as hub and bearing is installed.
Install hub and bearing by first feeding end of wheel speed sensor cable through hole in bottom of parking brake support. As this is being done, if equipped with AWD, slide hub and bearing onto half shaft. Place hub and bearing through brake support, onto knuckle, lining up mounting bolt holes with bolts and placing wheel speed sensor head at bottom.
Install four bolts fastening hub and bearing in place. Tighten mounting bolts to 60 ft. lbs. (81 Nm).
Place wheel speed sensor cable routing grommet into bracket on parking brake support.
Route wheel speed sensor cable along toe link and rear suspension crossmember connecting routing clips where shown.
Connect vehicle wiring harness to wheel speed sensor connector.
Install brake rotor and caliper.
If equipped with AWD:
Install washer and hub nut on end of half shaft.
While a helper applies brakes to keep hub from turning, tighten hub nut to 180 ft. lbs. (244 Nm).
Install spring washer, nut lock and cotter pin on end of half shaft.
Install tire and wheel assembly. Install and tighten wheel mounting nuts to 100 ft. lbs. (135 Nm).
If they are not worn beyond tollerance they can be machined on the vehicle.
Also make sure its not tyres or wheel bearings.
remove brake caliper( leave the hose connected)
remove centre cap
remove split pin and lock
unscrew bearing hub nut
rotor should come off
fit new bearing races in new rotor
grease new bearings
fit inside bearing and seal
refit rotor, outer bearing,washer,nut,lock, splitpin and centre cap
(tighten nut until no play in bearing plus 1\8 of a turn)
refit caliper and wheel
bleed and test brakes before driving
sounds like a bad wheel bearing..if drum brakes,remove drum and center cap from wheel bearing..remove center nut and pull bearing from spindle..replace hub/bearing assembly and center nut..if disc brakes,remove caliper/rotor,and hub/bearing assembly
you have too change the whole assembly
pull the wheel pull the callipilar pull the callipliar mount pull the rotor pull the half shaft nut then take the three bolts out of the hub assembly and pull it less than hour job !!!!
Remove the steering knuckle assembly, as described previously.
Remove the bolts attaching the hub/bearing assembly to the steering knuckle.
the hub/bearing assembly from the front of the steering knuckle. The
bolt-in front wheel bearing used on the vehicle is transferable to a
replacement steering knuckle, if the bearing is in serviceable
condition. If the bearing will not come out of the steering knuckle, it
can be tapped out using a soft-faced hammer.
Thoroughly clean all parts, including the hub/bearing assembly mounting surfaces on the steering knuckle.
the replacement hub/bearing assembly onto the steering knuckle,
aligning the bolt holes of the bearing flange to the knuckle.
the attaching bolts and tighten evenly to make sure the bearing is
square to the face of the steering knuckle. Tighten the attaching bolts
to 80 ft. lbs. (110 Nm) on Cirrus, Stratus, Sebring convertible and
Breeze, or 65 ft. lbs. (88 Nm) on Sebring coupe and Avenger.
Install the steering knuckle assembly, as previously described.
This is actually not a dificult repair IF YOU TAKE YOUR TIME.
Start, of course, by raising and supporting the vehicle
remove the wheel(s) as needed
Remove the caliper, brake pads and caliper mounting braket
remove the rotor
remove the axle nut, there may be a cotter pin in the nut acting as a lock.
make sure the axle pushes in freely inside the hub, it's splined and sometimes seizes in, a puch and hammer will knock it free
there will be three bolts on the rear of the hub assembly that must be removed
remove the hub by hitting it with a hammer, sometimes the rear bearing seal stayes in place, remove this also
reverse these steps to install your new hub.
there are four 18mm bolts on the opposite side of dust plate.once u remove thoe bolts,you'll have to either use a slide hammer, or the old fashion way a big hammer and smack it side to side.the whole hub and wheel bearing assembly will come out.The dust sheild is in between the hub and axel once it comes apart u will understand.